The SSM260x chips have an internal MCLK /2 divider (bit D7 in register
R8). Add logic that allows for more MCLK values using this divider.
Signed-off-by: Paweł Anikiel <pan@xxxxxxxxxxxx>
---
sound/soc/codecs/ssm2602.c | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/sound/soc/codecs/ssm2602.c b/sound/soc/codecs/ssm2602.c
index 021e0c860fa1..35c4743e756e 100644
--- a/sound/soc/codecs/ssm2602.c
+++ b/sound/soc/codecs/ssm2602.c
@@ -280,9 +280,12 @@ static inline int ssm2602_get_coeff(int mclk, int rate)
int i;
for (i = 0; i < ARRAY_SIZE(ssm2602_coeff_table); i++) {
- if (ssm2602_coeff_table[i].rate == rate &&
- ssm2602_coeff_table[i].mclk == mclk)
- return ssm2602_coeff_table[i].srate;
+ if (ssm2602_coeff_table[i].rate == rate) {
+ if (ssm2602_coeff_table[i].mclk == mclk)
+ return ssm2602_coeff_table[i].srate;
+ if (ssm2602_coeff_table[i].mclk == mclk / 2)
+ return ssm2602_coeff_table[i].srate | SRATE_CORECLK_DIV2;
+ }
}
return -EINVAL;
}
@@ -365,18 +368,24 @@ static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai,
switch (freq) {
case 12288000:
case 18432000:
+ case 24576000:
+ case 36864000:
ssm2602->sysclk_constraints = &ssm2602_constraints_12288000;
break;
case 11289600:
case 16934400:
+ case 22579200:
+ case 33868800:
ssm2602->sysclk_constraints = &ssm2602_constraints_11289600;
break;
case 12000000:
+ case 24000000:
ssm2602->sysclk_constraints = NULL;
break;
default:
return -EINVAL;
}
+
ssm2602->sysclk = freq;
} else {
unsigned int mask;
--
2.40.0.634.g4ca3ef3211-goog
